ACS survey errors - "missing noise floor", "insufficient data"; no 40HZ usage?

PGNet Dev at
Sat Apr 1 07:05:33 PDT 2017

On 04/01/2017 02:14 AM, Jouni Malinen wrote:
> That indicates the driver not supporting channel survey to allow more
> accurate ACS operation based on channel conditions.


The driver support is listed as

	Hostapd setup

	Only the following drivers support the current (2014-08-19)
	survey based ACS implmenetation in hostapd (
	    ath9k (The pcie version only)
	When building make sure you enable ACS in hostapd's .config file:

Sine that references 2014-08-19, is that still currently the case?  No 
addl drivers supported since?

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